/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.android.tools.idea.observable;

/**
 * {@link InvalidationListener} that counts how many times it was triggered - useful for testing.
 */
public final class CountListener implements InvalidationListener {
  private int count;

  public int getCount() {
    return count;
  }

  @Override
  public void onInvalidated() {
    count++;
  }
}
